What a proper radiant barrier foil installation looks like in an Austin attic: rafters vs. attic floor, the air space rule, perforated foil, ventilation, and the questions to ask any installer.
Radiant barrier foil has a real connection to spacecraft thermal control, and a longer history than most people know. Where the technology came from, how it works, and what it does in an Austin attic.
Learn how attic-floor air leaks reduce comfort, where common leaks occur, and why Austin insulation projects should address air sealing first.
Find out when old attic insulation can remain, when removal is justified, and what Austin homeowners should correct before adding new fiberglass.
Learn why upstairs rooms get hotter in Austin and how attic insulation, radiant heat, air leaks, ducts and airflow can contribute.
Watch for uneven temperatures, moisture, disturbed insulation and other warning signs that an Austin attic needs professional attention.
Understand how radiant barrier foil and fiberglass attic insulation address different types of heat transfer in Austin homes.
Learn how R-value, insulation depth, coverage, moisture and attic conditions determine how much insulation an Austin home may need.